*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	4	0	2	0	0	6
1970	0	0	0	0	0	0
1971	0	0	1	0	0	1
1972	0	0	1	0	0	1
1973	0	0	1	0	0	1
1974	0	0	1	0	0	1
1975	0	0	1	0	0	1
1976	0	0	0	0	0	0
1977	0	0	4	0	0	4
1978	0	0	0	0	0	0
1979	0	0	3	0	0	3
1980	0	0	1	0	0	1
1981	1	0	1	0	0	2
1982	0	0	1	0	0	1
1983	4	0	0	0	0	4
1984	2	0	0	0	0	2
1985	2	0	0	0	0	2
1986	5	0	5	0	0	10
1987	4	0	0	0	0	4
1988	3	0	3	0	0	6
1989	0	0	5	0	0	5
1990	0	1	11	0	0	12
1991	4	1	4	0	0	9
1992	2	1	4	0	0	7
1993	0	0	9	0	0	9
1994	2	2	7	0	0	11
1995	2	4	10	0	0	16
1996	3	4	15	0	0	22
1997	0	1	12	0	0	13
1998	1	1	16	0	0	18
1999	0	1	8	0	0	9
2000	5	0	17	0	0	22
2001	4	3	14	0	0	21
2002	0	1	17	0	0	18
2003	0	1	16	0	0	17
2004	1	1	25	0	0	27
2005	0	5	23	0	0	28
2006	0	1	15	0	0	16
2007	0	0	33	0	0	33
2008	0	2	29	0	0	31
2009	4	3	41	0	0	48
2010	3	0	31	0	0	34
2011	8	0	45	0	0	53
2012	7	2	34	0	0	43
2013	9	0	44	0	0	53
2014	9	1	39	0	0	49
2015	2	0	58	0	0	60
2016	5	1	69	0	0	75
2017	3	0	53	0	0	56
2018	1	1	70	0	0	72
2019	1	0	65	0	0	66
2020	1	0	55	0	0	56
2021	1	0	91	0	0	92
2022	0	1	69	0	0	70
2023	0	0	2	0	0	2
2024	0	0	2	0	0	2
Total	103	39	1083	0	0	1225